package fetch

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 */

import (
	"errors"
	"io/ioutil"
)

type fileFetcher struct {
	path string
}

func NewFile(path string) Fetcher {
	return fileFetcher{path: path}
}

func (f fileFetcher) Fetch() ([]byte, error) {
	b, err := ioutil.ReadFile(f.path)
	if err != nil {
		// TODO round-robin retry on error?
		return nil, errors.New("reading file: " + err.Error())
	}
	return b, nil
}
